Chapters 1 to 4 Data analysis

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4F Seasonal Adjustment.ppt
4E Median smoothing.ppt
4D Smoothing with even number of points.ppt
4C Smoothing time series.ppt
4B Trend lines and forecasting.ppt
4A Time series and trend lines.ppt
3F Transforming to linearity.ppt
3E Residuals.ppt
3D Interpretation, interpolation, extrapolation.ppt
3C Least Squares Regression.ppt
3B The 3-median method.ppt
3A Fitting a straight line by eye.ppt
2G Calculating r.ppt
2F Pearson's Coefficient.ppt
2E Scatterplots.ppt
2D Two way frequency tables and segmented bar charts.ppt
2C Parallel Boxplots.ppt
2B Back to back stem plots.ppt
2A Dependent and independent variables.ppt
1J Simple Random Samples.ppt
3B The 3-median method.ppt
1A to 1H Univariate Data.ppt